Qlik Sense Enterprise - HTTP Request Smuggling

An HTTP Request Tunneling vulnerability found in Qlik Sense Enterprise for Windows for versions May 2023 Patch 3 and earlier, February 2023 Patch 7 and earlier, November 2022 Patch 10 and earlier, and August 2022 Patch 12 and earlier allows a remote attacker to elevate their privilege by tunnelin...

nghttp2: nghttp2: HTTP Request/Response Smuggling and Response-Queue Poisoning via ambiguous HTTP/1.1 Upgrade requests

A flaw in nghttp2's nghttpx proxy allows a remote attacker to perform HTTP request smuggling and cross-client response-queue poisoning. This occurs because the proxy ambiguously forwards HTTP/1.1 Upgrade requests that contain a Content-Length header to reusable keep-alive backend connections...

Linux Distros Unpatched Vulnerability : CVE-2026-12606

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Eclipse Grizzly in versions before 5.0.2, cannot properly parse the trailer section in malformed trailer header's line, which can be leveraged to perform HTTP...

Security Bulletin: IBM DevOps Deploy / IBM UrbanCode Deploy (UCD) is affected by a HTTP Request Smuggling Vulnerability in Netty (CVE-2026-33870)

Summary Netty is used by IBM DevOps Deploy / IBM UrbanCode Deploy UCD as part of the Server/Agent/Relay communication system. CVE-2026-33870. Vulnerability Details CVEID:CVE-2026-33870 DESCRIPTION: Netty is an asynchronous, event-driven network application framework. In versions prior to...

CVE-2026-12606

Eclipse Grizzly in versions before 5.0.2, cannot properly parse the trailer section in malformed trailer header's line, which can be leveraged to perform HTTP request smuggling...

Security Bulletin: IBM Automation Decision Services for June 2026- Multiple CVEs addressed

Summary In addition to many updates of operating system level packages, the following security vulnerabilities are addressed with IBM Automation Decision Services. See full list below. Vulnerability Details CVEID:CVE-2026-29063 DESCRIPTION: Immutable.js provides many Persistent Immutable data...

EUVD-2026-43584

Due to an HTTP Request Smuggling vulnerability in SAP Approuter, an unauthenticated attacker could send a specially crafted HTTP request that leads to request-response desynchronization. This could result in the exposure of user responses and cause the system to become unavailable. This leads to ...

PT-2026-57984

Name of the Vulnerable Software and Affected Versions Eclipse Grizzly versions prior to 5.0.2 Description An issue exists where the software cannot properly parse the trailer section in a malformed trailer header line. This flaw can be leveraged to perform HTTP request smuggling, a technique used...

PT-2026-57935

Name of the Vulnerable Software and Affected Versions SAP Approuter affected versions not specified Description An unauthenticated attacker can exploit an HTTP Request Smuggling issue by sending a specially crafted HTTP request. This leads to request-response desynchronization, a condition where...

OPENSUSE-SU-2026:21302-1 Security update for nghttp2

This update for nghttp2 fixes the following issue - CVE-2026-58055: HTTP request/response smuggling via upgrade request with Content-Length bsc1269489...

The vulnerability of the framework for developing network applications, servers, and client protocols using Netty arises from deficiencies in HTTP request processing. This allows attackers to send hidden HTTP requests (HTTP Request Smuggling attack).

The vulnerability of the framework for developing network applications, servers, and client protocols using Netty is related to deficiencies in HTTP request processing. Exploiting this vulnerability allows a malicious actor to send hidden HTTP requests remotely HTTP Request Smuggling attack...

EUVD-2026-33941

mint: Content-Length header accepts non-RFC "+" sign prefix...

OESA-2026-2977 nghttp2 security update

The framing layer of HTTP/2 is implemented as a form of reusable C library. On top of that, we have implemented HTTP/2 client, server and proxy. We have also developed load test and benchmarking tool for HTTP/2. Security Fixes: nghttp2's nghttpx proxy through 1.69.0 forwards an HTTP/1.1 Upgrade...

Siemens SENTRON 7KT PAC1261 HTTP Request/Response Smuggling (CVE-2025-22871)

The Go net/http package incorrectly treats a bare line feed LF as a valid line terminator in chunked transfer data. This flaw can permit request smuggling if a net/http server is used in conjunction with a server that incorrectly accepts a bare LF as a line terminator. This plugin only works with...

USN-8495-1: nghttp2 vulnerability

It was discovered that the nghttp2 nghttpx proxy incorrectly handled HTTP/1.1 Upgrade requests that included a Content-Length header and body. A remote attacker could possibly use this issue to perform HTTP request and response smuggling attacks against backend services...

Security Bulletin: Vulnerabilities in Apache Tomcat Server library (CVE-2026-41293, CVE-2026-24880) affect Power HMC.

Summary The Apache Tomcat Server library is used by Power Hardware Management Console HMC. HMC has addressed the applicable CVEs. Vulnerability Details CVEID:CVE-2026-41293 DESCRIPTION: Improper Input Validation vulnerability in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1...

CVE-2026-11541

IBM WebSphere Application Server 9.0, and 8.5 and IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.6 are affected by an HTTP request smuggling vulnerability...

SUSE CVE-2026-58055

nghttp2's nghttpx proxy through 1.69.0 forwards an HTTP/1.1 Upgrade request that also carries a Content-Length header and body onto reusable keep-alive backend connections, re-adding the Upgrade and Connection headers while passing Content-Length verbatim. A backend that resolves the resulting...

PT-2026-53990

Name of the Vulnerable Software and Affected Versions IBM WebSphere Application Server version 9.0 IBM WebSphere Application Server version 8.5 IBM WebSphere Application Server - Liberty versions 17.0.0.3 through 26.0.0.6 Description An HTTP request smuggling issue exists, which occurs when there...

Security Bulletin: IBM WebSphere Application Server and WebSphere Application Server Liberty, which are bundled IBM WebSphere Remote Server, are affected by HTTP request smuggling (CVE-2026-11541)

Summary IBM WebSphere Application Server and WebSphere Application Server Liberty is shipped with IBM WebSphere Remote Server. Information about a security vulnerability affecting IBM WebSphere Application Server and WebSphere Application Server Liberty has been published in a security bulletin...